/*
 * RMTransactionsFacadeProvider.java   0.0.1    Dec 4, 2009
 * 
 * Copyright (c) 2009 mentalsmash.org
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of the Apache License does not indicate that this project is
 * affiliated with the Apache Software Foundation.
 */
package org.mentalsmash.tazio.transactions.management.rm;

import org.mentalsmash.tazio.net.ril.RemoteInvoker;
import org.mentalsmash.tazio.net.ril.exceptions.OIDAlreadyInUseException;
import org.mentalsmash.tazio.transactions.TransactionalSystemRuntimeException;
import org.mentalsmash.tazio.transactions.objects.RootSet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.name.Named;

/**
 * @version 0.0.1 Dec 4, 2009
 * @author Andrea Sorbini <as@mentalsmash.org>
 * 
 */
public class RMTransactionsFacadeProvider implements
	Provider<RMTransactionsFacadeImpl> {
    
    private final static Logger log = LoggerFactory.getLogger(RMTransactionsFacadeProvider.class);
    
    private final RemoteInvoker invoker;
    private final RMTransactionManager tm;
    private final GroupTransactionsFacade groupFacade;
    private final RootSet rs;
    private final int waitTimeout;

    /**
     * 
     */
    @Inject
    RMTransactionsFacadeProvider(final RemoteInvoker invoker,
	    RMTransactionManager tm,
	    @Named("GroupProxy") GroupTransactionsFacade groupFacade,
	    RootSet rs, @Named("RMFacadeWaitTimeout") int waitTimeout) {
	this.invoker = invoker;
	this.tm = tm;
	this.groupFacade = groupFacade;
	this.rs = rs;
	this.waitTimeout = waitTimeout;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.google.inject.Provider#get()
     */
    @Override
    public RMTransactionsFacadeImpl get() {
	log.debug("Creating a new RMTransactionsFacade instance...");
	
	
	RMTransactionsFacadeImpl facade = new RMTransactionsFacadeImpl(tm,
		groupFacade, rs, waitTimeout);
	
	try {
	    invoker.getRegistry().registerObject(RMTransactionsFacade.RIL_IDENTIFIER, facade);
	} catch (OIDAlreadyInUseException e) {
	    log.error("OIDs are broken!",e);
	    throw new TransactionalSystemRuntimeException(e);
	}

	return facade;
    }

}
